
.tree {
    min-height: 20px;
    padding: 19px 0;
    margin-bottom: 20px;
    background-color: #fbfbfb;
    border: 1px solid #999;
    -webkit-border-radius: 4px;
    -moz-border-radius: 4px;
    border-radius: 4px;
    -webkit-box-shadow: inset 0 1px 1px rgba(0, 0, 0, 0.05);
    -moz-box-shadow: inset 0 1px 1px rgba(0, 0, 0, 0.05);
    box-shadow: inset 0 1px 1px rgba(0, 0, 0, 0.05)
}

.tree ul {
    margin-left: 35px;
}

.tree li {
    list-style-type: none;
    margin: 0;
    padding: 15px 5px 0 0;
    position: relative
}

.tree li::before, .tree li::after {
    content: '';
    left: -24px;
    position: absolute;
    right: auto
}

.tree li::before {
    border-left: 1px solid #999;
    height: 100%;
    top: 0;
    width: 1px
}

.tree li::after {
    border-top: 1px solid #999;
    height: 20px;
    top: 29px;
    width: 25px
}

.tree li span {
    -moz-border-radius: 5px;
    -webkit-border-radius: 5px;
    border: 1px solid #999;
    border-radius: 5px;
    display: inline-block;
    padding: 3px 8px;
    text-decoration: none
}

.tree li.parent_li > span {
    cursor: pointer
}

.tree > ul > li::before, .tree > ul > li::after {
    border: 0
}

.tree li:last-child::before {
    height: 30px
}

.tree li.parent_li > span:hover, .tree li.parent_li > span:hover + ul li span {
    background: #eee;
    border: 1px solid #94a0b4;
    color: #000
}